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Old 08-21-2011, 05:48 PM   #1
mdsubie11
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Default 2011 wrx data log :(

So i noticed my motor seeming to get louder over these past few days an thought i take a look at a log or two and this is what i found. i dont know to much about the feedback knock or fine knock learn but i know its not sopost to look like that can anyone help me?

First log is stage 2 91oct
https://spreadsheets.google.com/spre...Jjdmc&hl=en_US

Second log stage2 93oct
https://spreadsheets.google.com/spre...J5emc&hl=en_US

Third log Stage 2 91oct
https://spreadsheets.google.com/spre...ZTS1E&hl=en_US
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Last edited by mdsubie11; 08-21-2011 at 11:31 PM.
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Old 08-21-2011, 07:29 PM   #2
Tripintaz
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The only thing I see is that your car has learned it has to pull 1.4 degrees of timing on 91 octane and 1 degree on 93 octane at certain load levels. Looks like part throttle, high loads, such as being in a high gear and then mashing the gas to pass someone, and on shifts after WOT.

As for the learned timing reduction, probably needs a little adjustment in the tune to richen up the AFR where it has learned that it saw knock.

What mods do you have? There are a couple that could cause that with an OTS tune.
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Old 08-21-2011, 08:37 PM   #3
dakrat
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looks about the same as my 2011 STi. from my limited knowledge, I wouldn't worry about FBK and FKL if the throttle is not at 100%. I just wish that this part of the subforum gets policed by Cobb professionals regularly to explain.
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Old 08-21-2011, 08:51 PM   #4
2Fast4U1DAY
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Quote:
Originally Posted by dakrat
looks about the same as my 2011 STi. from my limited knowledge, I wouldn't worry about FBK and FKL if the throttle is not at 100%. I just wish that this part of the subforum gets policed by Cobb professionals regularly to explain.
It does... Cobb is on here every day giving advice.
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Old 08-21-2011, 11:11 PM   #5
mdsubie11
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a Invidia DP
Invidia Q300 catback
stage 2 AP
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Old 08-21-2011, 11:21 PM   #6
mdsubie11
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Quote:
Originally Posted by Tripintaz View Post
The only thing I see is that your car has learned it has to pull 1.4 degrees of timing on 91 octane and 1 degree on 93 octane at certain load levels. Looks like part throttle, high loads, such as being in a high gear and then mashing the gas to pass someone, and on shifts after WOT.
its on high loads and on the way home today i was in 5th like 50mph and it would read a fine knock every time i pushed the gas.
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Old 08-22-2011, 12:00 AM   #7
2Fast4U1DAY
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Quote:
Originally Posted by mdsubie11

its on high loads and on the way home today i was in 5th like 50mph and it would read a fine knock every time i pushed the gas.
50 in 5th gear is at like 2000-2250 RPM's the reason its seeing a fine knock learn is because you are lugging the engine. At that speed you need to downshift to 4th, and then you will probably still see fine knock learn because the ECU has learned that you lug your engine, and its trying to prevent a knock situation from occurring.
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Old 08-22-2011, 09:38 PM   #8
Phil_Dunphy
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Re-set the ECU, avoid all lugging situations like he said and see if it comes up in later logs again.
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